This is a day never to be forgotten. This is a rule never to be broken. 请问这里的never to be done作定语是什么用法?可不可以说this is a day never forgotten. 这是一个没有被忘记的日子。
If left unchecked, they will impede the healthy development of the entire society.如果不加以控制,虚假承诺则会影响整个社会的健康发展。请问上面句子中left为什么是过去式呢?可以是If leave unchecked吗?
In India, people eat with their hands ______ they think in this way they build a connection with the food.老师,这个空填because/as , 但是我觉得没有一定要是因果关系啊,为什么不可以填and?也没有逻辑错误啊。
It began, and for many years continued toexist, as a supplement to the apprenticeship system still in vogue during the seventeenth and eighteenth centuries.
请问老师为什么这个句子中still前没有be动词,as引导的时间状语从句难道可以省略be动词吗?谢谢老师o(^o^)o
Covering much of the earth's surface is a blanket of water.上句中, is 是系动词吗?这是倒装句吗?上句可以倒过来说,即 A blanket of water is covering much of the earth's surface 吗?修改后的句中is covering还是系动词吗?